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      01-11-2026, 07:35 PM   #21
SlowX6M
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Drives: 2021 X6M, 2012 X5, 2018 M2
Join Date: Jun 2020
Location: NY

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Quote:
Originally Posted by Bengineer330 View Post
I just bought the Bosch O2 sensors. Like you mentioned the car drove fine with these codes in all conditions. I probably drove over a thousand miles before getting to the sensors. Then once I replaced them, cleared the code, it came back. It wasn’t until after admitting defeat that one morning the check engine light just wasn’t on and the code never came back.

As for doing the CCV tubes, I’ve done them a few times now so I have the process down. First time can be frustrating, if you do tackle it. Start on the passenger side to understand how they clip onto the intake manifold. If you’re keeping the car for awhile you can go the extra mile and wrap them in a silicone tape as well for added protection.
I think these CCV tubes are basically a maintenance item that should just be done with every spark plug change, due to their brittle nature and high potential for vacuum leak. I've ordered two pre-cat O2 sensors and both lower CCV hoses, will try and tackle the job once the parts arrive. Thank you for the help, and I will keep this thread updated on how things work out.
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